package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnume;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/*
 * 集中处理所有异常
 * */
@Slf4j
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleVaildException(MethodArgumentNotValidException e) {

        log.error("数据校验出现问题{}", e.getMessage(), e.getClass());
        e.printStackTrace();
        BindingResult result = e.getBindingResult();

        Map<String, String> errorMap = new HashMap<>();

        result.getFieldErrors().forEach((fileError) -> {
            errorMap.put(fileError.getField(), fileError.getDefaultMessage());
        });

        return R.error(BizCodeEnume.VAILD_EXCEPTION.getCode(), BizCodeEnume.VAILD_EXCEPTION.getMsg()).put("data", errorMap);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable) {
        return R.error(BizCodeEnume.UNKOWN_EXCEPTION.getCode(), BizCodeEnume.UNKOWN_EXCEPTION.getMsg());
    }
}
